Hi-Shock Universal Infrared Active Shutter 3D Glasses for 3D TVs-Panasonic Toshiba Sony Panasonic Sharp Samsung LG Active Sync Smart Technology - Automatically syncs with your 3D TV so no programming or technical skills needed Active Shutter IR 3D Glasses -Compatible with: Mitsubishi, SONY, Samsung (2010 and prior), Toshiba, &amp; LG Rechargeable glasses support 80 hours of continuous use on full charge. Please ensure that the protective plastic sleeve tab has been removed from beneath battery cover to activate battery. high-quality liquid crystal lens, provide high contrast and transmittance, clear, bright, sharp 3D experience;